Chenico concentrator
[建] 开美科牌浓缩器
🧩 词语组成解析
concentrator
['kɒnsenˌtreɪtə]
n. 集中器;集线器;
🗣️ 情景例句
He's something!
他真了不起！
Don't be silly.
不要傻了。
Oh, doctor. He seems terribly ill. Are you sure it's nothing serious?
噢，医生。他似乎病得很厉害。你肯定不是什么大病？